| Western Digital Caviar SE16 |
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Here is the long list of specifications provided by Western Digital.
| Performance Specifications | ||
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Rotational Speed | 7,200 RPM (nominal) |
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Buffer Size | 16 MB |
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Average Latency | 4.20 ms (nominal) |
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| Seek Times | ||
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Read Seek Time | 8.9 ms |
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Write Seek Time | 10.9 ms (average) |
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Track-To-Track Seek Time | 2.0 ms (average) |
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Full Stroke Seek | 21.0 ms (average) |
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| Transfer Rates | ||
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Buffer To Host (Serial ATA) | 150 MB/s (Max) |
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Buffer To Disk | 748 Mbits/s (Max) |
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Buffer To Disk | 65 MB/s (Sustained) |
| Recommended Configuration Parameters | ||
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Number of Heads (Physical) | 8 |
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| Physical Specifications | ||
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Formatted Capacity | 400,074 MB |
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Capacity | 400 GB |
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Interface | SATA 150 MB/s |
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Actuator Type | Rotary Voice Coil |
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Number of Platters | 4 |
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Bytes Per Sector | 512 |
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User Sectors Per Drive | 625,142,448 |
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Servo Type | Embedded |
| Physical Dimensions | ||
| English | ||
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Height | 1.028 Inches (Max) |
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Length | 5.787 Inches (Max) |
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Width | 4.00 Inches (+/- 0.010 inch) |
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Weight | 1.32 Pounds (+/- .10 lb) |
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| Metric | ||
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Height | 26.1 mm (Max) |
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Length | 147 mm (Max) |
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Width | 101.6 mm |
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Weight | 0.6 kg (+/- .082 kg) |
| Environmental Specifications | ||
| Shock | ||
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Operating Shock (Read) | 65G, 2 ms |
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Non-operating Shock | 250G, 2 ms |
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| Acoustics | ||
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Idle Mode | 28 dBA (average) |
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Seek Mode 0 | 33 dBA (average) |
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Seek Mode 3 | 29 dBA (average) |
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| Temperature (English) | ||
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Operating | 41° F to 131° F |
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Non-operating | -40° F to 149° F |
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| Temperature (Metric) | ||
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Operating | 5° C to 55° C |
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Non-operating | -40° C to 65° C |
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| Humidity | ||
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Operating | 5-95% RH non-condensing |
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Non-operating | 5-95% RH non-condensing |
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| Altitude (English) | ||
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Operating | -1,000 feet to 10,000 feet |
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Non-operating | -1,000 feet to 40,000 feet |
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| Altitude (Metric) | ||
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Operating | -305M to 3,050M |
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Non-operating | -305M to 12,200M |
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| Vibration | ||
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Operating | |
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Linear |
20-300 Hz, 0.75G (0 to peak) |
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Random |
10-300 Hz, 0.004 g² / Hz |
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Non-operating | |
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Low Frequency |
5-20 Hz, 0.195 inches (double amplitude) |
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High Frequency |
20-500 Hz, 4.0G (0 to peak) |
| Electrical Specifications | |||||||||||||||||||||||||||||
| Current Requirements |
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